Home / 5,260.42-7,879.96-2,445.31

Finding the Fourth Proportional to 5,260.42, 7,879.96 and 2,445.31

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Solution

The fourth proportional to 5,260.42, 7,879.96 and 2,445.31 is: 3,663.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.42 : 7,879.96 = 2,445.31 : x
  2. Step 2: Convert to fraction form
    5,260.42/7,879.96 = 2,445.31/x
  3. Step 3: Cross multiply
    5,260.42x = 7,879.96 × 2,445.31
  4. Step 4: Simplify right side
    5,260.42x = 19,268,944.99
  5. Step 5: Solve for x
    x = 19,268,944.99/5,260.42
  6. Step 6: Final answer
    x = 3,663.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.